Paths, variables and commands
Where everything lives on the server and the opennccm commands.
| Path | Contents |
|---|---|
/opt/opennccm |
Application code and Python environment (.venv) |
/var/lib/opennccm/opennccm.db |
SQLite database |
/var/lib/opennccm/firmware |
Uploaded firmware images |
/var/lib/opennccm/system-backups |
Recovery backups |
/var/lib/opennccm/pre-update |
Pre-update backups |
/etc/opennccm/secret.key |
AES-256 key |
/etc/opennccm/opennccm.env |
Service variables |
/etc/systemd/system/opennccm.service |
systemd service |
/etc/nginx/sites-available/opennccm |
nginx configuration |
Variables in /etc/opennccm/opennccm.env
Section titled “Variables in /etc/opennccm/opennccm.env”| Variable | Default | Use |
|---|---|---|
NCM_DATABASE_URL |
SQLite | Connection string (PostgreSQL) |
NCM_SYSLOG_PORT |
514 | UDP port of the syslog receiver |
NCM_SYSLOG_ENABLED |
1 | 0 to turn the receiver off |
NCM_WORKERS |
16 | Devices processed in parallel |
NCM_NVD_API_KEY |
(empty) | Free NVD key: speeds up the CVE scan |
After editing the file: sudo systemctl restart opennccm.
Commands
Section titled “Commands”| Command | Action |
|---|---|
opennccm status |
Status, version, address, disk space and updates |
| `sudo opennccm update [–check | –yes |
sudo opennccm rollback |
Roll back to the previous version |
sudo opennccm backup [--with-key] |
Recovery backup |
sudo opennccm restore FILE |
Restore a backup |
sudo opennccm users |
List users, role, status and allowed devices |
sudo opennccm reset-password USER 'PASSWORD' |
Change a password / create an administrator |
sudo opennccm backup-all |
Back up all devices now |
sudo opennccm seed |
Reload the sample policies and configlets |
opennccm logs [-f] |
Service log |
| `sudo opennccm start | stop |
sudo opennccm uninstall [--purge] |
Uninstall |
Installation log: /var/log/opennccm-install.log. Options chosen at installation: /etc/opennccm/install.conf (reused by upgrades).